Governor weight for steam turbines



C. W. DAKE.

GOVERNOR .WElGHT FOR STEAM TURBINES.

APPLICATION FILED SEPT. I, 1920.

ILAESQAQACO Patented Oct. 17, 1922.

6' Y, Inz'en/w" Wan UMTZQS ZM ,Da/ZQE Patented (Dot. 1?, 3%22.

UNITED STATES PATENT @FFHCE.

CHARLES W. DAKE, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE PYLE-NATIONAL COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF NEW JERSEY.

GOVERNOR WEIGHT FOR STEAM TURBINES.

Application filed September 1, 1920. Serial No. 407,347.

To all whom it nlay concern:

Be it known that l, (InmLEs W. DAKE, a citizen of the T nited States, residing at Chicago, in the county of ook and State of Illinois, have invented a certain new and useful Improvement inliovernor \Veights for Steam Turbines, of which the following is a specification.

This invention relates to governor weights and particularly to the manner of construction of such weights. lleretofore weights of this and similar types have been manufactured by casting or by drop forging. or by cutting from bar steel or the like. The governor weights produced by any of such methods vary materially as to their weight. Sometimes this variation. amounts to as much, as one half an ounce between successively formed governor weights. As it is absolutely essential, in order to balance the rotating part to which these weights are applied, that they be of equal weight, it is ordinarily necessary to machine them until they are of equal weight. This is an extremely expensive process and it is one object of this invention to provide a process and a construction whereby the weights can be cheaply and accurately manufactured. Other objects of this invention will appear throughout the specification and claims from time to time. I

This invention is illustrated in the accompanying drawings, wherein like parts are designated by like characters throughout.

Fig. 1 is a fragmentary view of the shaft of a turbine to which the governor weights are applied.

F Fig. 2 is a section along the line 2-2 of Fi 3 is a side view of the governor weig t complete;

Fig. 4 is a similar view of the governor weight frame;

Fig. 5 isan end view of one member of the governor weight frame;

Fig. 6 is an elevation of a weight lamination.

Like parts are indicated by like characters throughout.

A is a shaft. B is a collar on the shaft and rotates with it. C C are governor weights fulcrumed at (7' on the collar B. They are shaped as shown and provided with the portion C adapted to bear against the end D of the plunger D. The governor weights (1 are built up by the governor frame members E E which are riveted or otherwlse secured together in any suitable manner. The frame members are provided with the lateral extensions E and are perforated at E E F F are laminations, perforated at F F. G is a groove or notch formed in the upper surface of the governor weight. In it is positioned the pin G which lies partially within the groove G By means of this pin lateral displacement of the governor weights is made impossible. A sultable number of laminations are secured to the governor weight frame by means of rivets or any suitable means.

The use and operation of this invention are as follows:

By means of the construction above illustrated and described the governor weights can be made of sheet steel which is made by exact dimensions and weights. Thus the frame members and laminations are all equally made and are interchangeable. When a given number of pieces of exactly the same size are assembled, the weight of the assembled governor weights will be the same in all cases. As illustrated the weight is built up of two portions which have been called frame members, one with a ledge and the other with a projecting thin edge. These two portions are set back to back and on them are fitted a number of laminated pieces to make the weight portion. The whole as sembly is then riveted together to form a heavy weighted end having a fulcrum with a thin relatively light projecting tail piece or working arm. This latter is the portion C which bears against the. plunger.

In the claims the term leaf is used to describe a relatively thin projection from the back of the governor weight frame which serves at the same time for an operating lever and as the surface against which the laminations are clamped.

I claim:

1. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a governor weight having a body member comprising a back, a leaf projecting therefrom, and one or more weight laminations secured thereto. means in connection with the back portion of said weight for pivoting it adjacent the governor element, a

portion of said weight being adapted to actuate said governor element in response to the rotation of the weight.

2. In a. governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a governor weight having a body member comprising two associated back portions and one or more weight laminations secured thereto, means in connection with the back portion of said weight for pivoting it adjacent the governor element, a portion of said weight being adapted to actuate said governor element in response to the rotation of the weight.

3. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a. governor weight comprising two associated back portions and a leaf projecting from each, the two being secured together and one or more weight laminations mounted thereupon, means in connection with the back portion of said weight for pivoting it adjacent the governor element, a portlon of said weight being adapted to actuate said governor element in response'to the rotation of the weight.

4:. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a governor weight comprising two associated back portions and a leaf projecting from each, the two being secured together and one or more weight laminations mounted thereupon, said laminations being secured to said leaves, means in connection with the back portion of said weight for pivoting it adjacent the governor element, a portion of said weight being adapted to actuate' said governor element in response to the rotation of the weight.

5. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a governor weight comprising two associated back portions and a leaf projecting from each, said leaves being secured together, and one or more weight laminations mounted upon either side thereof, means in connection with the back portion of said weight for pivoting it adjacent the governor element, a portlon of said weight being adapted to actuate said governor element in response to the rotation of the weight.

6. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a governor weight comprising two associated back portions, each having a leaf projecting from one edge thereof, said leaves being secured to each other and one or more weight laminations mounted upon said leaf member, means in connection with the back portion of said weight for pivoting it adaaaee jacent the governor element, a portion of said weight being adapted to actuate said governor element in response to the rotation of the weight.

7. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a overnor weight comprising two associated ack portions, each having a leaf projecting from one edge thereof, said leaves being secured to each other and one or more weight laminations mounted upon said member, on each side of said leaves, means in con nection with the back portion of said weight for pivoting it adjacent the governor element, a portion of said weight being adapted to actuate said governor element in response to the .rotation of the weight.

8. In a. governing mechanism comprising a governor element and means for keeping, it normally in contact with the governor weight, a governor weight comprising two associated back port-ions, each having a leaf projecting from one edge thereof, said leaves bein secured to each other and one or more weig t laminations mounted upon said member, on each side of said leaves, and unit means for securing said back and leaf portions andsaid laminations together, means in connection with the back portion of said weight for pivoting it adjacent the governor element, a portion of said weight being adapted to actuate said governor element in response to the rotation of the weight.

9. In a governing mechanism comprising a governor element and means for keeping it normally in contact with. the governor weight, a governor weight comprising a back portion forming two substantially plane suraces at an angle to each other, a leaf secured thereto and one or more weight laminations secured to said leaf, means in connection with the back portion of said weight for pivoting it adjacent the governor element, a portion of-said weight being adapted to actuate said governor element in response to the rotation of the weight.

10. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a governor weight comprising a back portion forming two substantially plane sur-- faces at an angle to each other, a leaf, and weight laminations secured to each side of said leaf, means in connection with the back portion of said weight for pivoting it adjacent the governor element, a portion of said weight being adapted to actuate said governor element in response to the rotation of the weight.

11. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a governor weight comprising aback element and a leaf projecting therefrom,

said back forming two substantially plane portions at an angle to each other, a notch in one of said portions, and a pin adapted loosely to engage said notch to hold the governor weight in position, means in connec tion with the back portion of said weight for pivoting it adjacent the governor element, a portion of said weight being adapted to ac tuate said governor element in response to the rotation of the weight.

12. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governor weight, a governor Weight comprising aback element and a leaf projecting therefrom, said back forming two substantially plane portions at an angle to each other, a notch in one of said portions, and a pin adapted loosely to engage said notch to hold the governor weight in position, and one or more weight laminations secured upon either side of said leaf, means in connect-ion with the back portion of said weight for pivoting it adjacent the governor element, a portion of said weight bein adapted to actuate said governor element 1n response to the rotation of the weight.

13. In combination, a governor weight, a rotor within which it is mounted, bearing surfaces on the rotor engaged by the governor weight, and a pin associated with one of said surfaces for holding the overnor Weight in position with respect to t e rotor.

14:. In a governing mechanism comprising a governor element and means for keeping it normally in contact with the governorweight, a governor weight comprising aback portion comprising two substantially lane sections at an angle to each other, a lea projecting therefrom, and one or more weight laminations secured to said leaf, said back portion being notched, and a pin adapted to engage said notch to hold said governor weight in position, means in connection with the back portion of said weight for pivot ing it adjacent the governor element, a portion of said weight being adapted to actuate said governor element in response to the rotation of the weight.

Signed at Chicago, county of Cook, and State of Illinois, this th day of August, 1920.

CHARLES W. DAKE. 

